--- title: "Migrate your Existing HubSpot CRM API Key Authentication to OAuth Authentication" slug: "migrate-your-existing-hubspot-crm-api-key-authentication-to-oauth-authentication" description: "Migrate your HubSpot CRM from API key to OAuth authentication on the 6sense platform with our step-by-step guide for seamless integration." updated: 2025-07-10T18:31:21Z published: 2025-07-10T18:31:21Z canonical: "support.6sense.com/migrate-your-existing-hubspot-crm-api-key-authentication-to-oauth-authentication" --- > ## Documentation Index > Fetch the complete documentation index at: https://support.6sense.com/llms.txt > Use this file to discover all available pages before exploring further. # Migrate your Existing HubSpot CRM API Key Authentication to OAuth Authentication This guide describes the process of migrating the existing HubSpot CRM API key authentication to OAuth authentication in the 6sense platform. ## Migration from API key to OAuth 1. Navigate to **Settings** and select the **Integrations** section. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/integrations-nav(7).png) 2. Click on **HubSpot** CRM when presented with the list of supported CRM integrations. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/hubspotcrm_all_integration-e1746051606590.png) 3. Click on **Edit information** to undergo the three-step integration process of Connect, Configure, and Data Syncs. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9931058631443-3-e1746051669775.png) 1. **Connect:** Click on **Sign In with HubSpot** and log in to your HubSpot platform to authenticate.![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930795744531-4-e1746051773888.png)Once you have successfully signed in, You can see the success message as below. Click on **Next** to complete the setup. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930800477587-5-e1746051850774.png) 2. **Configure:** Enter/Re-verify the REST API value that you have provided to the 6sense platform and click on **Save & Next.** ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930859248147-Screenshot_2022-09-28_at_3.32.39_PM-e1746051914245.png) 3. **Data Syncs:** Kindly make sure that the Data Sync flag is **ON** and click on **Finish** to complete the setup. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930902869267-7-e1746051980406.png) 4. Once you click on Finish, Click on **Manage** **integrations** to check the status of the integration. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930957415443-Screenshot_2022-09-28_at_3.40.54_PM-e1746052067578.png)The below success message screen depicts the successful migration of your HubSpot CRM from API key authentication to OAuth authentication. ![](https://cdn.us.document360.io/0e2cd0a2-b3b3-495b-80df-96f8381febea/Images/Documentation/9930978047635-Screenshot_2022-09-28_at_3.42.40_PM-e1746052134867.png) Customer Relationship Management, an external platform used to manage your relationships and interactions with potential customers and clients. Application Programming Interface; a set of rules that allows different software applications to communicate with each other.